For those who were holding out on upgrade, longer wait...
So much for the initial Q1 launch rumours.

Report: Intel Haswell to be Released on June 2, 2013

It appears that Intel's Haswell processor will launch in early June. According to slides that were leaked to the Chinese website VR-Zone, the product introduction time frame will be between May 27 and June 7, 2013.

Consumers apparently will be able to get their Haswell processors beginning on June 2. The slides indicate that Intel is preparing 14 different desktop SKUs as well as seven mobile SKUs for launch...